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All rights reserved£ºBeijing Sintrom Champ Technology. Co., td Address: 3H, East of Century Golden Resources Commerce Center No.69 Banjing Road, Haidian District, Beijing, China Postal code :100097 Office phone£º010-88473730 Fax:86-010-88451663 E-mail£ºbjsbns@sintrom.com.cn |
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